| Local endemism within the Western Ghats-Sri Lanka biodiversity hotspot F Bossuyt, M Meegaskumbura, N Beenaerts, DJ Gower, R Pethiyagoda, ... Science 306 (5695), 479-481, 2004 | 444 | 2004 |
| Freshwater fishes of Sri Lanka R Pethiyagoda Colombo (Sri Lanka) Wildlife Heritage Trust of Sri Lanka, 1991 | 439 | 1991 |
| Evaluating trans-Tethys migration: an example using acrodont lizard phylogenetics JR Macey, JA Schulte, A Larson, NB Ananjeva, Y Wang, R Pethiyagoda, ... Systematic Biology 49 (2), 233-256, 2000 | 391 | 2000 |
| Confronting amphibian declines and extinctions JR Mendelson III, KR Lips, RW Gagliardo, GB Rabb, JP Collins, ... Science 313 (5783), 48-48, 2006 | 366 | 2006 |
| Sri Lanka: an amphibian hot spot M Meegaskumbura, F Bossuyt, R Pethiyagoda, K Manamendra-Arachchi, ... Science 298 (5592), 379-379, 2002 | 301 | 2002 |
| The database of the PREDICTS (projecting responses of ecological diversity in changing terrestrial systems) project LN Hudson, T Newbold, S Contu, SLL Hill, I Lysenko, A De Palma, ... Ecology and evolution 7 (1), 145-188, 2017 | 269 | 2017 |
| A synopsis of the South Asian fishes referred to Puntius (Pisces: Cyprinidae) R Pethiyagoda, M Meegaskumbura, K Maduwage Ichthyological Exploration of Freshwaters 23 (1), 69, 2012 | 201 | 2012 |
| When the cure kills—CBD limits biodiversity research KD Prathapan, R Pethiyagoda, KS Bawa, PH Raven, PD Rajan, ... Science 360 (6396), 1405-1406, 2018 | 158 | 2018 |
| Biodiversity of Sri Lanka N Gunatilleke, R Pethiyagoda, S Gunatilleke Journal of the National Science Foundation of Sri Lanka 36, 2017 | 156 | 2017 |
| The Sri Lankan shrub-frogs of the genus Philautus Gistel, 1848 (Ranidae: Rhacophorinae), with description of 27 new species K Manamendra-Arachchi, R Pethiyagoda Raffles Bulletin of Zoology, 163-303, 2005 | 134 | 2005 |
| A taxonomic revision of the Sri Lankan day-geckos (Reptilia: Gekkonidae: Cnemaspis), with description of new species from Sri Lanka and southern India K Manamendra-Arachchi, S Batuwita, R Pethiyagoda Zeylanica 7 (1), 9-122, 2007 | 105 | 2007 |
| Barcoding snakeheads (Teleostei, Channidae) revisited: Discovering greater species diversity and resolving perpetuated taxonomic confusions C Conte-Grand, R Britz, N Dahanukar, R Raghavan, R Pethiyagoda, ... PLoS One 12 (9), e0184017, 2017 | 96 | 2017 |
| Threats to the indigenous freshwater fishes of Sri Lanka and remarks on their conservation R Pethiyagoda Ecology and Conservation of Southeast Asian Marine and Freshwater …, 1994 | 93 | 1994 |
| Evaluating Sri Lanka’s amphibian diversity R Pethiyagoda, K Manamendra-Arachchi Occasional Papers of the Wildlife Heritage Trust 2, 1-12, 1998 | 91 | 1998 |
| Reproduction and terrestrial direct development in Sri Lankan shrub frogs (Ranidae: Rhacophorinae: Philautus) MM Bahir, M Meegaskumbura, K Manamendra-Arachchi, CJ Schneider, ... The Raffles Bulletin of Zoology 12 (339), 350, 2005 | 78 | 2005 |
| A taxonomic revision of the South Asian hump-nosed pit vipers (Squamata: Viperidae: Hypnale) K Maduwage, A Silva, K Manamendra-Arachchi, R Pethiyagoda Zootaxa 2232 (1), 1–28-1–28, 2009 | 72 | 2009 |
| Patterns of reproductive‐mode evolution in Old World tree frogs (Anura, Rhacophoridae) M Meegaskumbura, G Senevirathne, SD Biju, S Garg, S Meegaskumbura, ... Zoologica Scripta 44 (5), 509-522, 2015 | 69 | 2015 |
| Taruga (Anura: Rhacophoridae), a new genus of foam-nesting tree frogs endemic to Sri Lanka M Meegaskumbura, S Meegaskumbura, G Bowatte, ... Ceylon Journal of Science (Biological Sciences) 39 (2), 2011 | 67 | 2011 |
| New species amongst Sri Lanka’s extinct shrub frogs (Amphibia: Rhacophoridae: Philautus) M Meegaskumbura, K Manamendra-Arachchi, CJ Schneider, ... Zootaxa 1397 (1), 1–15-1–15, 2007 | 56 | 2007 |
| A revision of the endemic Sri Lankan agamid lizard genus Ceratophora Gray, 1835, with description of two new species R Pethiyagoda, K Manamendra-Arachchi Journal of South Asian Natural History 3 (1), 1-50, 1998 | 56 | 1998 |